Update duckdb index files

.gitattributes

@@ -52,3 +52,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+sugam11--covid-qa/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

sugam11--covid-qa/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2b9c81b67387e64981e917dbe3c0894f96ae35c4d0b5982c2c73528f39b3730d
+size 6041600